Experimental Correlations of JNC With S-Character

Abstract Some quaternary ammonium salts and isonitriles are examined by 13C NMR. A Fermi-Contact type of correlation is suggested as a basis for estimation of the effect of lone pairs, alkyl substitution and π-bonding on JNC

[1]  D. Jerina,et al.  Stereochemical dependence of 15NCH and 13CH coupling constants in oxaziridines , 1972 .

[2]  R. Wasylishen,et al.  INDO Molecular Orbital Calculations of Nitrogen–Proton Spin–Spin Coupling Constants Over Two and Three Bonds. Effects of Lone-pair Orientation, of Dihedral Angles, and of Protonation , 1972 .

[3]  T. Ha.  Electronic structure of CH3CN and CH3NC : ab initio result , 1972 .

[4]  John D. Roberts,et al.  Nitrogen-15 nuclear magnetic resonance spectroscopy. XIII. Pyridine-15N , 1971 .

[5]  C. Holloway,et al.  NUCLEAR SPIN–SPIN COUPLING IN C13-ENRICHED ACETYLENE, ETHYLENE, AND ETHANE , 1963 .

[6]  H. Bernstein,et al.  Carbon—Carbon Spin‐Coupling Constants in Characteristic CC‐Bond Types , 1963 .

[7]  I. Kuntz,et al.  Long‐Range N14–H1 Nuclear‐Resonance Coupling in Isonitriles , 1961 .

[8]  N. Müller,et al.  C13 Splittings in Proton Magnetic Resonance Spectra. I. Hydrocarbons , 1959 .

[9]  S. Svensson,et al.  13C-15N Spin-Spin Coupling Constants in [15N]-Aniline from 13C NMR Spectra. , 1972 .

[10]  J. Pople,et al.  Approximate self-consistent molecular orbital theory of nuclear spin coupling. II. Fermi contact contributions to coupling between carbon and directly bonded atoms , 1970 .

[11]  I. Morishima,et al.  13 C nuclear magnetic resonance studies. 13C–14N spin coupling constants in isocyanides , 1970 .

[12]  V. Gil,et al.  Molecular orbital calculations of substituent effects on directly bonded 13C-H coupling constants , 1968 .

[13]  J. Casanova,et al.  A new class of compounds. Isocyanide - borane adducts. , 1964 .